From 746e683bd12005337be464cbd1b21a73de78e8f7 Mon Sep 17 00:00:00 2001
From: Jonathan McDowell <noodles@earth.li>
Date: Wed, 15 Jun 2005 10:41:53 +0000
Subject: [PATCH] cscvs to tla changeset 5

Author: noodles
Date: 2005/03/21 15:11:01
Add support for MIME signed mails from Simon Huggins.

git-archimport-id: noodles@earth.li--pie/autodns--mainline--1.0--patch-4
---
 HISTORY    |  4 +++
 autodns.pl | 79 +++++++++++++++++++++++++++++++++++++++++++++---------
 2 files changed, 70 insertions(+), 13 deletions(-)

diff --git a/HISTORY b/HISTORY
index 6a845ae..206261c 100644
--- a/HISTORY
+++ b/HISTORY
@@ -42,3 +42,7 @@
 
 * Fix for problems with gpg flushing & lots of domains. (James Harrison)
 * Fix bug with writing filenames with /s in them - we convert them to :s now.
+
+0.0.8
+
+* Add support for MIME signed mails. (Simon Huggins)
diff --git a/autodns.pl b/autodns.pl
index 2b973ee..67377a3 100755
--- a/autodns.pl
+++ b/autodns.pl
@@ -5,12 +5,14 @@
 # http://www.earth.li/projectpurple/progs/autodns.html
 # Released under the GPL.
 #
-# $Id: autodns.pl,v 1.4 2004/04/08 10:48:35 noodles Exp $
+# $Id: autodns.pl,v 1.5 2005/03/21 15:11:01 noodles Exp $
 #
 
 use strict;
-use IPC::Open3;
 use Fcntl qw(:flock);
+use File::Temp qw(tempfile);
+use IPC::Open3;
+use MIME::Parser;
 
 $ENV{'PATH'}="/usr/local/bin:/usr/bin:/bin:/usr/sbin";
 
@@ -211,21 +213,72 @@ Released under the GPL.
 EOF
 
 #
-# Now run GPG against our incoming mail, first making sure that our locale is
-# set to C so that we get the messages in English as we expect.
+# Throw the mail at MIME::Parser and see if it accepts it.
+#
+my $parser = new MIME::Parser;
+$parser->output_to_core(1); # No temporary files
+my $entity = $parser->parse_data(\@MAIL);
+
+#
+# Make sure locale is set to C so we get messages in English as we expect.
 #
 $ENV{'LC_ALL'}="C";
-open3(\*GPGIN, \*GPGOUT, \*GPGERR, "gpg --batch");
 
-# Feed it the mail.
-print GPGIN @MAIL;
-close GPGIN;
+if ($entity->parts) {
+	# MIME
+
+	my ($got_sig, $got_text) = (0, 0);
+	my ($sig_name,$sig_fh,$text_name,$text_fh);
+	($sig_fh, $sig_name) = tempfile();
+	($text_fh, $text_name) = tempfile();
+
+	foreach my $subent ($entity->parts) {
+		if ($subent->effective_type eq "text/plain") {
+			@COMMANDS = split /\n/,$subent->bodyhandle->as_string;
+
+			my $str = $subent->as_string;
+			$str =~ s/=\n$//;
+			$str =~ s/\n/\r\n/g;
+			print $text_fh $str;
+			close($text_fh);
+			$got_text++;
+		} elsif ($subent->effective_type eq
+				"application/pgp-signature") {
+			print $sig_fh $subent->as_string;
+			close($sig_fh);
+			$got_sig++;
+		}
+	}
+
+	if ($got_sig && $got_text) {
+		open3(\*GPGIN, \*GPGOUT, \*GPGERR, "gpg --batch --verify ".
+			$sig_name." ".$text_name);
 
-# And grab what it has to say.
-@GPGERROR=<GPGERR>;
-@COMMANDS=<GPGOUT>;
-close GPGERR;
-close GPGOUT;
+		close GPGIN;
+
+		@GPGERROR=<GPGERR>;
+		my @GPGOUTPUT=<GPGOUT>;
+		close GPGERR;
+		close GPGOUT;
+
+		unlink($text_name);
+		unlink($sig_name);
+	}
+} else {
+	# Clear text.
+
+	open3(\*GPGIN, \*GPGOUT, \*GPGERR, "gpg --batch");
+
+	# Feed it the mail.
+	print GPGIN @MAIL;
+	close GPGIN;
+
+	# And grab what it has to say.
+	@GPGERROR=<GPGERR>;
+	@COMMANDS=<GPGOUT>;
+	close GPGERR;
+	close GPGOUT;
+}
 
 # Check who it's from and if the signature was a good one.
 $gpggood=1;
-- 
2.39.5